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WordNet-Online
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Noun duct has 3 senses
- duct, epithelial duct, canal, channel - a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snake's fangs"
--1 is a kind of passage, passageway
--1 has parts: ampulla
--1 has particulars: | | pore; spinal canal, vertebral canal, canalis vertebralis; ductule, ductulus; canaliculus; canal of Schlemm, Schlemm's canal, sinus venosus sclerae; venous sinus, sinus; lacrimal duct, lachrymal duct, tear duct; nasolacrimal duct; Haversian canal; hepatic duct; inguinal canal, canalis inguinalis; common bile duct, bile duct; pancreatic duct; lymph vessel, lymphatic vessel; salivary duct; cerebral aqueduct, Sylvian aqueduct, aqueductus cerebri; ureter; urethra; cervical canal, canalis cervicis uteri; umbilical cord; vagina; epididymis; vas deferens, ductus deferens; seminal duct; ejaculatory duct; cartilaginous tube; bronchiole; alimentary canal, alimentary tract, digestive tube, digestive tract, gastrointestinal tract, GI tract; lactiferous duct |
- duct - a continuous tube formed by a row of elongated cells lacking intervening end walls
--2 is a kind of plant part, plant structure
--2 is a part of vascular plant, tracheophyte
--2 has particulars: laticifer
- duct - an enclosed conduit for a fluid
--3 is a kind of conduit
--3 has particulars: air-intake; air passage, air duct, airway
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